Stay online in 200+ countries without roaming bills
Travel eSIMs at local rates for 200+ destinations. Buy in minutes, scan a QR code, and you’re online the moment you land.
Loved by 900k+ travellers worldwide
Why an eSIM?
The eSIM world knows no borders. With the OneSim eSIM, connecting to the internet is easy. Just select a data plan that fits your needs, scan a QR code, and you're online. Wherever your journey takes you, whenever you need internet access, OneSim is there to assist and help you save money. All you need is a device that supports eSIM.
Where are you traveling next?
Choose your destination first, then a data plan according to your needs. Pay Local Rates for Mobile Data. Leave Expensive Roaming Behind!
How does the OneSim eSIM work?
Get your eSIM delivered in 5 minutes. Follow the steps below to get started.
Step 1: Find your destination and select the data plan you need.
Step 2: Install your eSIM using the setup guide in your email.
Step 3: Turn on your eSIM at arrival and connect instantly.
What makes OneSim different?
We connect you globally with affordable plans and high-speed internet.
Fast & Reliable Network
Enjoy buffer-free streaming, quick downloads, and dependable coverage in remote spots, backed by 99.9% uptime, so your travels remain uninterrupted and hassle-free.
Save up to 50% on Roaming
Ditch exorbitant carrier roaming with OneSim affordable eSIMs plans. We have partnered with local providers, slashing costs by up to 50% on data abroad.
Instant Activation
Simply scan a QR code upon purchase, and you’re online in minutes. No waiting for shipping or store visits. Dive straight into your adventure without connectivity delays.
24/7 Customer Support
Share Data Across Other Devices
Perfect for families or work trips, using the hotspot feature keeps everyone connected without buying extras. You get to save time and resources on the go.
No Hidden Fees
Transparency is key at OneSim. Pay only for what you get with upfront pricing, overage surprises, no activation charges, or sneaky roaming add-ons.
Can an eSIM work across countries?
Explore our limited-time offers for regional and global eSIM plans.
OneSim Global eSIM
Experience the freedom of one eSIM for all your adventures. No more swapping SIMs or hunting for local providers – install once and roam indefinitely. Our single eSIM auto-connects to top local networks, ensuring 4G/5G speeds without borders or hassles.
Plans
starting from as low as
$
From African safaris to desert trips, enjoy reliable 4G/5G signal for navigation, photos, and sharing your epic adventures - anywhere, anytime!
What are your users saying?
Say goodbye to roaming nightmares and hello to freedom. ESIMs make travel magic happen.
“OneSim saved my Tokyo trip! Instant activation, unlimited data – no roaming bills. Seamless and affordable. Highly recommend!”
Sarah M., London, UK – September 2025
“As a digital nomad, I need reliable connectivity. OneSim’s eSIM worked flawlessly across Europe. Quick setup, great speeds.”
Mike R., New York, NY – August 2025
“First time using eSIM, and OneSim made it easy. Covered my Bali vacation perfectly, with 24/7 support when I needed it.”
Elena T., Sydney, AU – July 2025
“Affordable plans with no hidden fees – OneSim delivered 5G speeds in Dubai. Stayed connected for work calls without a hitch.”
Raj P., Mumbai, IN – June 2025
“Loved the hotspot feature for my family road trip. OneSim kept us all online for navigation and streaming. Worth every penny!”
Lisa K., Toronto, CA – May 2025
“OneSim’s coverage map was spot-on for my Peru hike. No signal drops, easy top-up via website. Felt secure the whole time.”
Carlos G., Mexico City, MX – April 2025
“Switched from traditional SIMs – OneSim is faster and greener. Used it in Spain for video calls home. 5 stars!”
Anna L., Berlin, DE – March 2025
“Budget-friendly for my solo backpacking in Thailand. OneSim’s eSIM activated in seconds at the airport.”
Tom H., Seattle, WA – February 2025
“Perfect for my business trip to Singapore. Reliable data for emails and rideshares. OneSim exceeded expectations.”
Priya S., Bangalore, IN – January 2025
“OneSim turned my holiday in Morocco into a connected dream. Unlimited plan meant endless Instagram stories without stress.”
David W., Paris, FR – December 2024
“As a photographer, I rely on stable uploads. OneSim’s eSIM handled my safari in Kenya flawlessly. Top-notch service!”
Nina F., Cape Town, ZA – November 2024
“Easy dual-SIM setup with my home number. OneSim kept me online in Japan for family check-ins. Simple and effective.”
Greg B., Chicago, IL – October 2024
“First eSIM experience – OneSim customer support guided me through it. Covered my cherry blossom trip perfectly.”
Yumi K., Osaka, JP – September 2024
“OneSim’s 24/7 chat support fixed my activation glitch in under 5 minutes. Seamless coverage in the UAE. Impressed!”
Alex J., Dubai, AE – August 2024
“Loved the eco-friendly aspect – no plastic waste. OneSim’s eSIM was perfect for my Greece island-hop. Reliable and green.”
Maria D., Madrid, ES – July 2024
“Heavy data user here – streamed movies in Australia without throttling. OneSim’s unlimited plan is a lifesaver.”
Kevin L., Vancouver, BC – June 2024
“Quick QR scan at home, activated on landing in Vietnam. OneSim made my solo trip stress-free and connected.”
Jade W., Shanghai, CN – May 2024
“Great value for money in Egypt’s pyramids tour. OneSim’s eSIM beat carrier roaming by miles. Will use again!”
Omar K., Cairo, EG – April 2024
“Family vacation in New Zealand – shared hotspot worked like magic. OneSim kept everyone happy and online.”
Emma S., Melbourne, AU – March 2024
“OneSim’s regional Europe plan covered my train hops perfectly. Fast speeds, easy management.”
Luis M., Lisbon, PT – February 2024
Any insights as one uses your eSIMs?
Discover eSIM tips, travel hacks, and tech insights to keep you online, anywhere, anytime.